Us Weekly released a video showing Gibson gripping flowers as he broke down in tears mourning his fallen friend.
Gibson starred alongside Walker in four of the seven "Fast & Furious" films. The two seemingly had a close bond, which was evident in a series of tweets Gibson recently sent out.
My heart is hurting so bad no one can make me believe this is real Father God I pray that you send… http://t.co/CnKblb3PWu— Vision Implementer (@Tyrese) December 1, 2013
Walker was a passenger in a 2005 red Porsche Carrera GT that reportedly lost control and slammed into a tree and pole, before bursting into flames. Both the actor and driver were pronounced dead on the scene.